>> and just like that, rick perry was texas toast. but in the latest remind their god has a sense of humor, he is now the secretary of energy, the very department he forgot he wanted to eliminate. and that's your reality check. >> soit worked out well for everybody. >> so you're saying there's a chance? >> a twisted sense of humor. that reminds us there's always moments like that. every day. but more often than not, there will be an unpredictable zinger or embarrassment or something tonight. >> and those are the things to watch for and learn from. >> thank you very much. all right. senator elizabeth warren will take the stage tonight during a recent surge in the polls. that has grabbed the attention of several of her opponents especially fellow progressive senator bernie sanders. cnn's jeb zeleny has more. >> reporter: never mind joe biden. for now one of the most intense contests unfolding in the